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Turning an Atari Paddle in to a Mame Spinner
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boardjunkie:
Oops....that is a micro switch stick base, not leaf sw as as stated.
mst3kpimp:

--- Quote from: boardjunkie on June 27, 2011, 11:29:31 pm ---What....no bearings?

--- End quote ---

No sadly, I built this not knowing if it would perform in the end so I tried to use things around the house.  Obviously I'm quite pleased with the result, the nylon bushing was cheap and the dowel rotates quite smoothly inside it.  It won't win any free spin contests but it's perfect for Tempest which is the most spin-reliant game I know of.   I like the spinner you made btw..  I wish I had known about this 10 years ago!
Gray_Area:
That originally had a pot in it. 270 wheel action, maybe?
Gray_Area:

--- Quote from: boardjunkie on June 28, 2011, 11:13:52 am ---I built this around '99 IIRC. Parts list: Wico leaf switch joystick base, 2 trackball bearings, 1/4" bolt, several large dia washers (flywheel), ball mouse, 2 set screw collars, small belt, Tempest spinner knob....broken off skirt.

--- End quote ---

I wonder about the physical response of the belt on the plastic rod of the encoder assembly.



--- Quote from: mst3kpimp on June 28, 2011, 08:06:41 pm --- Obviously I'm quite pleased with the result, the nylon bushing was cheap and the dowel rotates quite smoothly inside it.
--- End quote ---

I think the original Tempest spinner did use a nylon bushing.
boardjunkie:
You mean like the belt slipping? I never had a problem with it. The encoder shaft has next to no mass, so it didn't cause any problems. It was very fast, so it had to be "geared down" in the sensitivity setting.

Yea, the tempest/tron spinner used a nylon bushings. Thats why it went "BRRRRRRRrrrrrrrrr" when you'd spin it fast......slop in those bushings caused chatter.
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